As London prepares for the first World Expo, the young Ray Steam receives a package containing the Steam Ball, a small and incredibly powerful engine containing hyper-pressurized steam. Developed by Ray’s father and grandfather in America under the supervision of (and funded by) the O’Hara Foundation, the Steam Ball could prove to be an asset to civilization or a great danger. But after Ray finds out that the Steam Ball must not fall into the O’Hara Foundation’s hands, he sets forth on a mission to keep the item safe and away from those who would use it to fuel a brutal war...